Bip39 Checksum. Now, at the next stage we use these receiving and alter essential bunch to create personal non-public keys. Use the above mentioned generate non-public keys and chain code and go them to the above mentioned stated operate kchild = kpar + hash(Kpar, cpar, i) to create person keys. https://totalbookmarking.com/story19224635/bip39-list-https-linktr-ee-bip39-getting-my-bip39-passphrase-to-work